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fire wall [or] fire·wall
 fire wall [or] firewall
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- pronunciation:
- faIr
wawl
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition 1: |
a wall of fireproof material intended to prevent the spread of fire, as from one part of a building to another.
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| definition 2: |
(usu. spelled as one word) software or hardware that prevents unauthorized access to a computer or local area network from an outside network such as the Internet.
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